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02-18-2019, 07:15 PM
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Registered User
Join Date: Dec 2018
Location: Punta Gorda FL
Posts: 83
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What did I do??!!
I just completed the HEI conversion on our 71 "Super" w/original 350 SBC. I bragged to my wife that the HEI, new fine wire iridium plugs, (gapped @ .045 +/- a little), and new plug wires would pay for themselves w/i a year of driving. Only problem is the MPG went DOWN to 9.9 MPG vs 11 MPG with points, condenser and OLD wires. I'll run another tank and recheck. No misses, timing is "on the nuts". Oh well,....still a great truck!!
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